Hyaluronate-based solutions for diverse industries

Publication ID: 24-11857682_0002_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Hyaluronate-based solutions for diverse industries,” Published Technical Disclosure No. 24-11857682_0002_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857682_0002_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,682.

Summary of the Inventive Concept

This inventive concept leverages the core technology of the original patent to develop novel applications of hyaluronate compositions in wastewater treatment, agriculture, wound healing, 3D bioprinting, and arthritis treatment.

Background and Problem Solved

The original patent disclosed a method for making modified hyaluronate compositions for soft tissue fillers. However, the patent's scope was limited to the medical field. This inventive concept addresses the need for innovative solutions in various industries by applying the core technology to new applications, thereby expanding the reach and impact of the original patent.

Detailed Description of the Inventive Concept

The new claims encompass a range of applications, including a system for treating wastewater using hyaluronate compositions for flocculation and clarification, a method for improving crop yields with hyaluronate-based soil amendments, a device for wound healing featuring hyaluronate gel dressings, a system for 3D bioprinting using hyaluronate-based bioinks, and a method for treating arthritis with hyaluronate compositions. Each application leverages the unique properties of hyaluronate, such as its ability to control swelling, enhance hydration, and promote tissue repair.

Novelty and Inventive Step

The new claims introduce novel and non-obvious applications of hyaluronate compositions, expanding beyond the original patent's scope in soft tissue fillers. The inventive step lies in recognizing the potential of hyaluronate in diverse industries and adapting the core technology to address specific problems in these fields.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include using different salt concentrations, varying the molecular weight distribution of the hyaluronate, or incorporating additional components to enhance the performance of the compositions in each application.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including wastewater treatment, agriculture, medical devices, 3D bioprinting, and pharmaceuticals. The target market includes companies and organizations seeking innovative solutions to specific problems in these fields.

CPC Classifications

SectionClassGroup
A A61 A61K9/1652
A A61 A61K8/735
A A61 A61K9/0019
A A61 A61K9/06
A A61 A61K9/1658
A A61 A61K31/167
A A61 A61K47/42
A A61 A61Q19/08

Field of Art

Biomaterials and pharmaceutical compositions, specifically hyaluronic acid-based formulations for medical and industrial applications, requiring advanced knowledge of polymer chemistry, biotechnology, and materials engineering

Person of Ordinary Skill (PHOSITA) Profile

A researcher or engineer with a PhD or equivalent experience in biomaterials science, with expertise in polymer modification, crosslinking techniques, and understanding of hyaluronic acid's physicochemical properties across multiple application domains

Obviousness Rationale

A PHOSITA would recognize that the fundamental properties of hyaluronic acid disclosed in the source patent enable multiple industrial and medical applications through predictable modifications of salt concentration, crosslinking ratio, and particle size. The variations in the PTD represent straightforward extensions of known hyaluronate composition techniques to solve specific technical challenges in different fields. The core technological principles remain consistent across the proposed applications, making the adaptations obvious to a skilled practitioner.

Obvious Combinations & Variations

Source Patent Element
Crosslinking method for hyaluronic acid with specific Rh:Rz ratio of 3:1
PTD Variation
Applying the crosslinking technique to wound healing gel dressings to promote tissue repair
Obviousness Reasoning
Known crosslinking parameters can be predictably applied to different hyaluronate formulations to achieve consistent molecular behavior across various applications
Source Patent Element
Uncrosslinked hyaluronic acid in 135-200 mM NaCl solution
PTD Variation
Using similar salt concentration parameters for wastewater treatment and agricultural soil amendments
Obviousness Reasoning
Salt concentration techniques are transferable across different hyaluronate composition contexts, representing a standard engineering design choice
Source Patent Element
Average particle size of less than 2 μm for soft tissue fillers
PTD Variation
Applying particle size control to 3D bioprinting bioinks for high-resolution printing
Obviousness Reasoning
Particle size optimization is a known technique for improving material performance, with predictable outcomes when applied to different technological domains
Source Patent Element
Local anesthetic integration (lidocaine hydrochloride)
PTD Variation
Extending anesthetic integration concept to arthritis treatment compositions
Obviousness Reasoning
Adding therapeutic agents to hyaluronate compositions represents a standard pharmaceutical formulation approach with predictable results
Source Patent Element
Molecular weight distribution control of hyaluronic acid
PTD Variation
Modifying molecular weight distribution to reduce inflammation in arthritis treatment
Obviousness Reasoning
Manipulating polymer characteristics to achieve specific biological outcomes is a well-established materials science technique
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857682, the variations disclosed herein would be obvious to a Person Having Ordinary Skill In The Art, as they represent predictable applications of established hyaluronate composition techniques across multiple technological domains. The disclosed methods demonstrate no inventive step beyond the routine optimization and adaptation of known hyaluronic acid modification strategies, thereby rendering potential claims in these areas unpatentable under 35 U.S.C. § 103.

Original Patent Information

Patent NumberUS 11,857,682
TitleHyaluronate compositions and soft tissue fillers
Assignee(s)AMC